package bold.deposit.interception.argument;

import bold.deposit.useful.Request;
import bold.deposit.useful.RequestUtil;
import org.springframework.core.MethodParameter;
import org.springframework.web.bind.support.WebDataBinderFactory;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.method.support.ModelAndViewContainer;

import javax.servlet.http.HttpServletRequest;
import java.util.Map;

public class RequestResolver implements HandlerMethodArgumentResolver {

    @Override
    public boolean supportsParameter(MethodParameter parameter) {
        return parameter.getParameterType() == Request.class;
    }

    @Override
    public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer, NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {
        HttpServletRequest request = webRequest.getNativeRequest(HttpServletRequest.class);
        Ask ann = parameter.getParameterAnnotation(Ask.class);
        boolean all = ann != null && ann.all();
        Map<String, String> prams = all ? RequestUtil.getAllMap(request) : RequestUtil.getMap(request);
        return new Request(prams);
    }
}
